Well, here is a quick link on The Mars force

You Said he was part of the AVG.
Perhaps you can try the website for the AVG. Maybe someone will remember him.
Since you have his service Number you should be able to get a copy of his records by maling in the form found here

__________________
"When war does come, my advice is to draw the sword and throw away the scabbard." -General Thomas "Stonewall" Jackson
"The conqueror is always a lover of peace; he would prefer to take over our country unopposed."-Karl von Clausewitz